128519420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 297622080

約数和(自身を除く): 169102660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 73, 76, 82, 95, 113, 146, 164, 190, 205, 226, 292, 365, 380, 410, 452, 565, 730, 779, 820, 1130, 1387, 1460, 1558, 2147, 2260, 2774, 2993, 3116, 3895, 4294, 4633, 5548, 5986, 6935, 7790, 8249, 8588, 9266, 10735, 11972, 13870, 14965, 15580, 16498, 18532, 21470, 23165, 27740, 29930, 32996, 41245, 42940, 46330, 56867, 59860, 82490, 88027, 92660, 113734, 156731, 164980, 176054, 227468, 284335, 313462, 338209, 352108, 440135, 568670, 626924, 676418, 783655, 880270, 1137340, 1352836, 1567310, 1691045, 1760540, 3134620, 3382090, 6425971, 6764180, 12851942, 25703884, 32129855, 64259710, 128519420]

約数ペア:

[(1, 128519420), (2, 64259710), (4, 32129855), (5, 25703884), (10, 12851942), (19, 6764180), (20, 6425971), (38, 3382090), (41, 3134620), (73, 1760540), (76, 1691045), (82, 1567310), (95, 1352836), (113, 1137340), (146, 880270), (164, 783655), (190, 676418), (205, 626924), (226, 568670), (292, 440135), (365, 352108), (380, 338209), (410, 313462), (452, 284335), (565, 227468), (730, 176054), (779, 164980), (820, 156731), (1130, 113734), (1387, 92660), (1460, 88027), (1558, 82490), (2147, 59860), (2260, 56867), (2774, 46330), (2993, 42940), (3116, 41245), (3895, 32996), (4294, 29930), (4633, 27740), (5548, 23165), (5986, 21470), (6935, 18532), (7790, 16498), (8249, 15580), (8588, 14965), (9266, 13870), (10735, 11972)]